December Challenge 2018 Division 2
Max and Electrical Panel, Chef and An Ideal Problem, Chef and Interactive Contests, Chef and Interactive XOR, Chef and Meatballs
October Challenge 2018 Division 2
Appy and Balloons , Minimize Digitsum, Chef and Serves, Byte to Bit, Chef and Circles
June Challenge 2019 Division 2
Guddu on a Date, Sum and GCD, Chef and Ingredients, Lent Money, Chef and Proxy, Road Signs
August Challenge 2019 Division 1
Guddu and his Mother, Dilemma, Maximize an Expression, Football
August Challenge 2020 Division 1
Chef and Wedding Arrangements, Smallest KMP, Subsequence Frequency Counting, Chef Thanos Wants Perfect Balance
September Challenge 2020 Division 1
Chefina and Swap, Chef and Trump Cards, Find XOR, Divide Candies, Ada Matrix
Code Ensemble (Rated for Division 2)
Priya and AND, Help Martha
May Challenge 2021 Division 1 (Unrated)
Tree House, Solubility, Golf, Modular Equation, Tic Tac Toe, Xor Equality, An Interesting Sequence, Valid Paths
June Challenge 2021 Division 1 (Unrated)
Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat
India